18823134 has 16 divisors (see below), whose sum is σ = 41068800. Its totient is φ = 5703960.

The previous prime is 18823127. The next prime is 18823157. The reversal of 18823134 is 43132881.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142534 + ... + 142665.

It is an arithmetic number, because the mean of its divisors is an integer number (2566800).

Almost surely, 2^18823134 is an apocalyptic number.

18823134 is an abundant number, since it is smaller than the sum of its proper divisors (22245666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18823134 is a wasteful number, since it uses less digits than its factorization.

18823134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285215.

The product of its digits is 4608, while the sum is 30.

The square root of 18823134 is about 4338.5635871795. The cubic root of 18823134 is about 266.0096007238.

The spelling of 18823134 in words is "eighteen million, eight hundred twenty-three thousand, one hundred thirty-four".